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Old 05-23-2013, 09:02 AM   #34 (permalink)
payne171
EcoModding Apprentice
 
Join Date: Feb 2010
Location: central Ohio
Posts: 122

Gray Jellybean - '00 Honda Insight
90 day: 62.76 mpg (US)
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One other little thing to keep in mind is the 12v battery. The Insight is kind of hard on them, and they don't last long. However, you don't use them to start the car except in REALLY cold weather, so you might not realize they are going bad. Once they start to go, the Motor will leech a small amount of engine power to perpetually try to charge them. This will make it a lot harder to stay up with the flow of traffic in lean burn. Also, and I don't have empirical evidence to back this up, but the engine seemed to run less smooth and with a bit less power. I assume it had to do with a weaker spark. Some have had better success with deep cycle batteries, but I didn't go that route, so I can't testify to that. A new 12v will make it feel like you have the wind at your back compared to a bad one.
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